The BellSimons Companies was founded in 1940 as The Bell Pump Company, operating out of Hartford, Connecticut, rebuilding oil pumps for the heating trade. By the late 1940s, locations in New Haven, Connecticut and Springfield, Massachusetts, opened to better serve the professionals in the residential and commercial fields.

Carrier Corp. is a global residential product innovations and solutions firm. Their inventory includes advanced communicating controls and thermostats, high-efficiency split system air conditioners and heat pumps, ductless split systems, gas and oil furnaces, boilers, fan and evaporator coils, geothermal systems, zoning systems, a complete line of indoor air quality products and small packaged products.